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电子学报  2014 

基于远近场声传播特性的拖线阵声纳平台辐射噪声空域矩阵滤波技术

DOI: 10.3969/j.iss.0372-2012-2014.03.003, PP. 432-438

Keywords: 平台辐射噪声,空域矩阵滤波,矩阵滤波器,匹配场处理,波束形成,干扰抑制,噪声抵消,拖线阵声纳

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Abstract:

针对拖线阵声纳平台噪声构成近场强干扰影响声纳弱目标探测的问题,利用近场平台噪声的多途传播特性及远场目标信号的平面波传播特性,将匹配场定位技术和平面波目标方位估计技术结合,利用平台噪声到达接收阵的拷贝向量以及平面波方向向量共同设计具有强干扰抑制功能的空域矩阵滤波器,实现了近场平台噪声抑制.设计两种最优化问题,获得不同的噪声抑制效果,给出它们的最优解,验证了解的正确性,找出解之间的关联.解释了平台辐射噪声在阵列端首方位附近构成强干扰的原因,同时解释了空域矩阵滤波后存在探测盲区的原因.由仿真可知,空域矩阵滤波处理可获得更小的探测盲区,同时获得盲区外更高的探测能力.

References

[1]  李启虎, 李淑秋, 孙长瑜, 余华兵.主被动拖线阵声呐中拖曳平台辐射噪声和拖鱼噪声在浅海使用时的干扰特性[J].声学学报, 2007, 32(1):1-4. LI Qi-hu, LI Shu-qiu, SUN Chang-yu, YU Hua-bing.The interference characteristics of platform and towed body noise in shallow water for active/passive towed array sonar[J].Acta Acustica, 2007, 32(1):1-4.(in Chinese)
[2]  郭玉华, 常青美, 余道杰, 岳彩青.一种改进的极化域-空域联合的自适应波束形成算法[J].电子学报, 2012, 40(6):1279-1283. GUO Yu-hua, CHANG Qing-mei, YU Dao-jie, YUE Cai-qing.An improved polarization-space adaptive beamforming algorithm[J].Acta Electronica Sinica, 2012, 40(6):1279-1283.(in Chinese)
[3]  倪淑燕, 程乃平, 倪正中.共轭虚拟阵列波束形成方法[J].电子学报, 2011, 39(9):2120-2124. NI Shu-yan, CHENG Nai-ping, NI Zheng-zhong.Conjugate virtual array beamforming method[J].Acta Electronica Sinica, 2011, 39(9):2120-2124.(in Chinese)
[4]  顾陈, 何劲, 朱晓华.冲击噪声背景下基于最小均方归一化误差的波束形成算法[J].电子学报, 2010, 38(6):1430-1433. GU Chen, HE Jin, ZHU Xiao-hua.Minimum mean square "normalized-error" beamforming amid heavy-tailed impulsive noise of unknown statistics[J].Acta Electronica Sinica, 2010, 38(6):1430-1433.(in Chinese)
[5]  李关防, 惠俊英.基于经验模态分解的模态域MVDR方法研究[J].电子学报, 2009, 37(5):942-946. LI Guan-fang, HUI Jun-ying.A study of mode domain MVDR algorithm based on empirical mode decomposition[J].Acta Electronica Sinica, 2009, 37(5):942-946.(in Chinese)
[6]  马远良, 刘孟庵, 张忠兵, 童立.浅海声场中拖曳线列阵常规波束形成器对拖船噪声的接收响应[J].声学学报, 2002, 27(6):481-486. MA Yuan-liang, LIU Meng-an, ZHANG Zhong-bing, TONG Li.Response of the towed line array to the noise of the tow ship in shallow water[J].Acta Acustica, 2002, 27(6):481-486.(in Chinese)
[7]  李启虎.用双线列阵区分左右舷目标的延时估计方法及其实现[J].声学学报, 2006, 31(6):485-487. LI Qi-hu.The time-delay estimation method of resolving left-right target ambiguity for twin-line array and its realization[J].Acta Acustica, 2006, 31(6):485-487.(in Chinese)
[8]  李启虎.双线列阵左右舷目标分辨性能的初步分析[J].声学学报, 2006, 31(5):385-388. LI Qi-hu.Preliminary analysis of left-right ambiguity resolution performance for twin-line array[J].Acta Acustica, 2006, 31(5):385-388.(in Chinese)
[9]  Vaccaro R J, Harrison B F.Optimal matrix-filter design[J].IEEE Transactions on Signal Processing, 1996, 44(3):705-709.
[10]  Han D, Zhang X H.Optimal matrix filter design with application to filtering short data records[J].IEEE Signal Processing Letters, 2010, 17(5):521-524.
[11]  Han D, Yin J S, Kang C Y, Zhang X H.Optimal matrix filter design with controlled mean-square sidelobe level[J].IET Signal Processing, 2011, 5(3):306-312.
[12]  鄢社锋, 侯朝焕, 马晓川.矩阵空域预滤波目标方位估计[J].声学学报, 2007, 32(2):151-157. YAN She-feng, HOU Chao-huan, MA Xiao-chuan.Matrix spatial perfiltering approach for direction-of-arrival estimation[J].Acta Acustica, 2007, 32(2):151-157.(in Chinese)
[13]  Zhu Z W, Wang S, Leung H, et al.Matrix filter design using semi-infinite programming with application to DOA estimation[J].IEEE Transactions on Signal Processing, 2000, 48(1):267-271.
[14]  Macinnes C S.Source localization using subspace estimation and spatial filtering[J].IEEE Journal of Oceanic Engineering, 2004, 29(2):488-497.
[15]  Hassanien A, Elkader S A, Gershman A B, Wong K M.Convex optimization based beam-space preprocessing with improved robustness against out-of-sector sources[J].IEEE Transactions on Signal Processing, 2006, 54(5):1587-1595.
[16]  韩东, 章新华, 孙瑜.宽带最优空域矩阵滤波器设计[J].声学学报, 2011, 36(4):405-411. HAN Dong, ZHANG Xin-hua, SUN Yu.Design of optimal broad band spatial matrix filter[J].Acta Acustica, 2011, 36(4):405-411.(in Chinese)
[17]  Vaccaro R J, Chhetri A, Harrison B F.Matrix filter design for passive sonar interference suppression[J].Journal of the Acoustic Society of America, 2004, 115(6):3010-3020.
[18]  鄢社锋, 马远良.匹配场噪声抑制:广义空域滤波方法[J].科学通报, 2004, 49(18):1909-1912.
[19]  张贤达.矩阵分析与应用[M].北京:清华大学出版社, 2004.367-380.

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